/*!	 dock_metadata.cpp
**	 Template File
**
**	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
**	Copyright (c) 2011 Carlos López
**
**	This package is free software; you can redistribute it and/or
**	modify it under the terms of the GNU General Public License as
**	published by the Free Software Foundation; either version 2 of
**	the License, or (at your option) any later version.
**
**	This package is distributed in the hope that it will be useful,
**	but WITHOUT ANY WARRANTY; without even the implied warranty of
**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
**	General Public License for more details.
**
*/

#ifdef USING_PCH
#	include "pch.h"
#else
#ifdef HAVE_CONFIG_H
#	include <config.h>
#endif

#include <synfig/general.h>

#include "docks/dock_metadata.h"
#include "app.h"

#include <gtkmm/scrolledwindow.h>
#include <cassert>
#include "instance.h"
#include "trees/metadatatreestore.h"
#include "trees/metadatatree.h"
#include "canvasview.h"

#include <gui/localization.h>

#endif

using namespace std;
using namespace etl;
using namespace synfig;
using namespace studio;

Dock_MetaData::Dock_MetaData():
    Dock_CanvasSpecific("meta_data", _("Canvas MetaData"), Gtk::StockID("synfig-meta_data")),
    action_group(Gtk::ActionGroup::create("action_group_dock_meta_data"))
{
    action_group->add(Gtk::Action::create(
                          "action-MetadataAdd",
                          Gtk::StockID("gtk-add"),
                          _("Add new MetaData entry"),
                          _("Add a new MetaData entry to the canvas")
                      ),
                      sigc::mem_fun(
                          *this,
                          &Dock_MetaData::on_add_pressed
                      )
                     );

    action_group->add(Gtk::Action::create(
                          "action-MetadataRemove",
                          Gtk::StockID("gtk-delete"),
                          _("Remove selected MetaData entry"),
                          _("Remove the selected MetaData entry")
                      ),
                      sigc::mem_fun(
                          *this,
                          &Dock_MetaData::on_delete_pressed
                      )
                     );

    action_group->add(Gtk::Action::create("toolbar-meta_data", _("Canvas MetaData")));
    App::ui_manager()->insert_action_group(action_group);

    Glib::ustring ui_info =
        "<ui>"
        "	<toolbar action='toolbar-meta_data'>"
        "	<toolitem action='action-MetadataAdd' />"
        "	<toolitem action='action-MetadataRemove' />"
        "	</toolbar>"
        "</ui>"
        ;

    App::ui_manager()->add_ui_from_string(ui_info);

    action_group->set_sensitive(false);

    set_toolbar(*dynamic_cast<Gtk::Toolbar*>(App::ui_manager()->get_widget("/toolbar-meta_data")));
}

Dock_MetaData::~Dock_MetaData()
{
}

void
Dock_MetaData::init_canvas_view_vfunc(etl::loose_handle<CanvasView> canvas_view)
{
    Glib::RefPtr<MetaDataTreeStore> metadata_tree_store;
    metadata_tree_store = MetaDataTreeStore::create(canvas_view->canvas_interface());
    MetaDataTree* metadata_tree(new MetaDataTree());
    metadata_tree->set_model(metadata_tree_store);
    metadata_tree->set_editable(true);
    canvas_view->set_tree_model(get_name(), metadata_tree_store);
    canvas_view->set_ext_widget(get_name(), metadata_tree);
}

void
Dock_MetaData::changed_canvas_view_vfunc(etl::loose_handle<CanvasView> canvas_view)
{
    if (canvas_view) {
        Gtk::Widget* tree_view(canvas_view->get_ext_widget(get_name()));
        add(*tree_view);
        tree_view->show();

        action_group->set_sensitive(true);
    } else {
        clear_previous();
        action_group->set_sensitive(false);
    }
}

void
Dock_MetaData::on_add_pressed()
{
    if (get_canvas_interface()) {
        synfig::String key;

        if (App::dialog_entry(_("New Metadata entry"), _("Key Name: "), key, _("Cancel"), _("Ok")) && !key.empty()) {
            get_canvas_interface()->set_meta_data(key, " ");
        }
    }
}

void
Dock_MetaData::on_delete_pressed()
{
    etl::loose_handle<CanvasView> canvas_view(get_canvas_view());

    if (!canvas_view) {
        return;
    }

    Gtk::TreeView* tree_view(static_cast<Gtk::TreeView*>(canvas_view->get_ext_widget(get_name())));

    if (tree_view) {
        Gtk::TreeModel::iterator iter(tree_view->get_selection()->get_selected());

        if (tree_view->get_selection()->count_selected_rows()) {
            Gtk::TreeRow row(*iter);
            Glib::RefPtr<Gtk::TreeModel> treemodel(canvas_view->get_tree_model(get_name()));
            Glib::RefPtr<studio::MetaDataTreeStore> meta_data_tree_store(Glib::RefPtr<studio::MetaDataTreeStore>::cast_dynamic(treemodel));
            Glib::ustring key(row[meta_data_tree_store->model.key]);

            if (get_canvas_interface()) {
                get_canvas_interface()->erase_meta_data(key);
            }
        }
    }
}